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Finding the Fourth Proportional to 222,503.22, 333,948.15 and 89,475.30

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Solution

The fourth proportional to 222,503.22, 333,948.15 and 89,475.30 is: 134,290.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,503.22 : 333,948.15 = 89,475.30 : x
  2. Step 2: Convert to fraction form
    222,503.22/333,948.15 = 89,475.30/x
  3. Step 3: Cross multiply
    222,503.22x = 333,948.15 × 89,475.30
  4. Step 4: Simplify right side
    222,503.22x = 29,880,110,905.70
  5. Step 5: Solve for x
    x = 29,880,110,905.70/222,503.22
  6. Step 6: Final answer
    x = 134,290.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.